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Volume 32 Issue 6
Aug.  2021
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Article Contents
XIAO Guo-hua, DONG Han, WANG Mao-qiu, HUI Wei-jun. Hot deformability of oxide-sulfide duplex inclusions in calcium-treated gear steels[J]. Chinese Journal of Engineering, 2010, 32(6): 735-738. doi: 10.13374/j.issn1001-053x.2010.06.008
Citation: XIAO Guo-hua, DONG Han, WANG Mao-qiu, HUI Wei-jun. Hot deformability of oxide-sulfide duplex inclusions in calcium-treated gear steels[J]. Chinese Journal of Engineering, 2010, 32(6): 735-738. doi: 10.13374/j.issn1001-053x.2010.06.008

Hot deformability of oxide-sulfide duplex inclusions in calcium-treated gear steels

doi: 10.13374/j.issn1001-053x.2010.06.008
  • Received Date: 2009-08-04
  • The morphology,composition and hot deformation of oxide-sulfide duplex inclusions in resulfurized gear steel DIN 18CrNiMo7-6 were studied by metallographic examination,scanning electron microscopy (SEM) and electron spectroscopy analysis.The results show that the hot deformability of the oxide-sulfide duplex inclusions decreases with the increase of calcium content in the peripheral sulfides until the atom fraction of about 5.0%.Increasing the area ratio of the core oxides with high melting point makes the duplex inclusions less susceptible to deformation,while the oxides with low melting point have not obvious effect on it.

     

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      沈陽化工大學材料科學與工程學院 沈陽 110142

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